Update taxonomy.json

Corrected spelling of Translator (which is in PDF doc correctly)

taxonomy.json

@@ -175,7 +175,7 @@
   },
   {
     "group": "Writing",
-    "role": "Translater ",
+    "role": "Translator",
     "description": "The Translator converts content from one language to another for the podcast. This can be interviews, dialogue, text documents, and more. The Translator's work may be used on-air or behind-the-scenes during the production\/research process.",
     "example": ""
   },